from django.db import models
class BaseModel(models.Model):
    create_time=models.DateTimeField(auto_now_add=True,verbose_name="创建时间")
    update_time=models.DateTimeField(auto_now=True,verbose_name='更新时间')
    is_delete=models.BooleanField(default=False,verbose_name="删除标记")
    class Meta:
        abstract=True